Roller-bearing.



J.4 P. POSTER.

ROLLER BEARING.

"U NITED sTaTEs PATENT OEEIOE.

JOI-IN F. FOSTER, OF ARGENTINE, KANSAS.

ROLLER-BE ARING.

To all whom it may concern.'

Be it known that I, JOHN F. FOSTER, a citizen o'll the United States, residing at Argentine, in the county ol lllyandotte and State of Kansas, have invented certain new and useful Improvements in Roller-Bearings, of which the following is a specification.

This invention relates to roller-bearings and niy object is to produce a bearing which will operate eiiciently and. reliably and with a minimum of friction.

A further object. is to produce a bearing of simple, strong, durable and comparatively inexpensive construction.

To this end the invention consists in certain novel and peculiar features of construe tion and Organization as hereinafter described and claimed; and in order that it may be fully understood reference is to be had to the accompanying drawings, in Whichz- 4 Figure 1, is a view of the bearing which discloses one-half of the same in side elevation and the other half in central vertical section. Fig. 2, is a central vertical section taken on the line IIe-II of Fig. 1, the shaft being shown in elevation. Fig. 3, is a` transverse section of a part of a bearing of modified forni. Fig. 4, is a detail perspective view of the parts of a sectional roller forining part of the invention. Fig. 5, is an edge view of a spacing cage rotatable with the rollers. Fig. 6, is a section on the line VI-VI of F ig. 5.

In thesaid drawings where like reference characters identity corresponding parts, 1 indicates a shaft adapted to be journaled in any suitable manner, and secured upon said shaft by a key 2 or otherwise is a pair of cones or collars 3 which cones or collars ma be secured together by tiebolts as at 4 it esired. The cones 3 are of identical construction, that is to say they are all step shape in cross section and they are arranged Wit their apex or smaller ends tofretlier, so as to conjointly produce 4a central annular groove 4a. Their intermediate steps 5 have rounded riser portions or shoulders 6 and their top steps 7 are identical with their peripheries at their oints of greatest diameter.

A ring or ban comprises two sections S and 9 fitted together and interlocked in such relation in any suitable manner (not shown). These ring or band sections are of considerably greater diameter than the cones or collars described and ,concentrically surround Specification of Letters Patent.

Application filed January 1Q, 1908. Serial No. 410,167.

'of rings 14: and 16.

`26indicates similar but larger rollers hair-' Patented Nov. 3, 1908.

the latter. Internally the sections 8 and 9 are step shaped so as to conjointly forni an .internal groove 1() in the vertical plane of groove 4. They are provided with intermediate steps 11 which terminate in rounded riser portions or shoulders 12, and 4outward of said risers are steps 13. t

14 indicates a ring fitting loosely in the groove 4 and having its tread or outer face tapering inwardly at its edges as at 15;

16 indicates a ring fitting loosely in groove 10 and provided internally with a central rib 17.

18 indicates rollers of reduced diameter centrally to form annular grooves with rounded edges. The rollers have their ends rounded and are provided with reduced portions 19. The rollers are arranged with their reduced portions in the vertical lane Their`reduced en portions engage portions 7 and 13 and their larger or lintermediate portions engage steps 5 and 11 and risers or shoulders 6 andi 12. In practice one or more of these rollers will be ot sectional construction, that is to say, one section will be provided with a passage '2O and the other with a stem 21 to extend through said passage, the 'stein-equipped section having tongues 23 to engage grooves 24 in the section provided with the passage, this tongue and groove relation interlocking the sections together so that they will rotate as one.

25 indicates a series of substantially spool shaped rollers. having their reduced central portions engaging -tlie outer surface or periphery of ring 14 and their nonlreduced or portions ot' rollers 1S.

ing their grooved portions engaging the in.- wardly projecting rib 1T lof ring 16, and their end portions engaging the re uced central portions of rollers 18, it being noticed that there is a roller 25 and a rollei 26 between adjacent rollers 18 and that theaxes of said rollers 25 and '26 are in radial alinement. These-rollers are s Jacing rollers,that is they tend to maintain t e main rollers 1S at uniform distances apart, it being also noticed that the inner series of rollers, 25, are

prevented by the main rollers from moving outward and that the latter prevent theV outer series of rollers, Q6, from moving inward. The ring 14 prevents the inner series of'rollers from moving inward and is prevented by said rollers from assuming a position eccentrically of the shaft. The series of rollers 26 are likewise prevented from moving outward by ring 16 and maintain the latter concentrically with respect to ring 14 and the shaft. As a precautionary measure I have 'provided additional means for spacing rollers 18, the same comprising a pair ot' rings 27 fitting between cones or collars 3 and the band or ring surrounding the same and adjacent to the endsjof rollers 18 and provided with oppositely bowed lugs 28 that fit around the reduced ends 19 of said rollers, it being preferred that ordinarily the lugs shall be out of contact with the ends of said rollers. The rings 27 are connected together by tie-rods 29 which extend loosely through passages 30 formed in the rollers to receive them, the said rods having shoulders 31 near their ends to prevent the rings from coming into contact with the reduced ends of the rollers. f 4

In Fig. 3 the rollers 18 (one only appearing) are of tapering form and the same is true of the rings 14 and 16 and of the spacing rollers 25 and 26. A bearing of this type is desirable under certain conditions not'necessary to mention.

In practice rotary movement imparted to shaft 1 is transmitted by the cones or collars to rollers 18, and by the latter to the outer ring or band, it being noted that" the rollers' 1S operate without rubbing friction. It will be also noted that no rubbing friction is engendered between said rollers and the spacing rollers because of the rolling contact between them, it being further noted in this connection that the inner ring 14 is driven in the same direction as the cones or collars by the inner series of spacing rollers, but that the outer rin is driven by the outer series of spacing ro 1ers, in the'opposite direction. It will also be apparent that the bearing will operate if the power is applied to the outer band or ring, the result in this case being to transmit rotation through the rollers to the cones or collars and to the shaft. In the event that either of the rings 14 or 16 or any of the s acing rollers should be broken, the cage wil maintain the main rollersat the requisite distance apart and thus prevent any possibility of said rollers coming into contact andgrinding upon each other.

F rom theabove description it will be apparent that I have prqduced a roller-bearing which embodies the features of advanta e enumerated as desirable, and I wish it to be understood that I reserve the right to make such changes as roperly fall within the spirit and scope o the appended claims.

Having thus described the invention what I claim as new and desire to secure by Letters Patent, is

1. A roller-bearing, comprising a pair of collars secured together and reduced to form an annular groove, a band or ring surrounding said collars provided with an internal groove in the vertical plane of the firstnamed groove, a circular series of rollers between and engaging said collars and said band, a ring within and spaced from the first-named groove, a circular series of spacing rollers peripherally engaging said ring and the adjacent main rollers, a ring interposed between and spaced from the main rollers and said band, and a circular series of spacing rollers engaging the adjacent main rollers and the inner side of the lastuamed ring.

2. A roller-bearing, comprising a shaft, a pair of collars secured thereon and reduced at their adjacent ends to form an annular groove, a band concentrically surrounding said collars and formed internally with an annular groove or channel, a circular series of main rollers interposed between and engaging said collars and band and diametrically reduced centrally, a ring occupying the groove of said collars, a ring occupying the groove of said band, a circular series of spacing rollers peripherally engaging the first-named ring and the reduced portion of the main rollers, and a second series of spacing rollers engaging the grooved portion of the main rollers and the inner side of the ring occupying the groove of said band.'

3. A roller-bearing, comprising 'a shaft, a pair of collars secured thereon and reduced at their adjacent ends to form an annular groove, a band concentrically surrounding said collars and formed internally with an annular groove or channel, a circular Series of main rollers interposed between andrengaging said collars and band and diametrically reduced centrally, a ring occupying the groove of said collars, a ring occupying the groove of said band, and provided with an inwardly rojecting circular rib, a series of spacing rollers engaging the reduced portions of the adjacent main rollers and the periphery of the inner ring, and a second series of spacing rollers engaging the gi'ooved portions of the adjacent mainrollers and reduced lcentrally to engage the .inwardly projecting rib of the ring occupying the groove of said band.

4. A roller-bearing, com rising a pair of collars secured together an reduced to form an annular roove, a band or ring surrounding said co lars provided with an internal groove in the vertical plane of the firstnamed groove, a circular series of rollers between and engaging said collars and said band, a ring within and spaced from the first-named groove,` a circular series o f spacing rollers peripherally engaging said ring .rollers and said ban., a circular series of spacing rollers` engaging the adjacent main and the adjacent main rollers, a yring interposed between and s aced from the mainv rollers and the inner sideof the last-namedv ring, and a skeleton ce comprising a pair of rings between the co ars and said band-at optposite ends of the main rollers and pro- `v1 ed with opppsitelylbowed lugs, projecting inwardly contiguous to and at o posite sides of said main rollers, andtie-re s extending through said main 'rollers and said lugequipped rings. Y

5. A roller-bearing, comprising a shaft, collars secured thereon, a band concentric, ally surrounding said collars, acircular series of rollers between and engaging said collars and said band, one or more of said. rollers comprising interlocked sections; one section having an axial passage and the companion section having a cylindrical stem extending through vseid passage, aring surrounding and spaced from said collars and arranged inward of thel main rollers, g 1

second ring surrounding the main rollen and within said band, a circular series oi spacing rollers engaging the inner ring and the inain rollers to space the latter apart, and a second series ofspacing rollers engaging the outer ring and the main rollers and cooperating With the rst-named spacing rollers in spacing the main rollers Aimpart.

' In testimony whereof I affix my signature, in the presence of two Witnesses. Y JOHN F. FOSTER.

Titnesses:

FRANKR'. GLOBE, G. Y. THORPE. 

